// JavaScript Document
var xmlHttp = null;
var d = document;

function InitXMLHttpRequest()
{
	try
  	{
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
  	}
  	catch (e)
	{
		// Internet Explorer
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			try
			{
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)
			{
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
  	}

  	//xmlHttp.overrideMimeType('text/xml');
}

function loadHttpPage( url )
{ 
	InitXMLHttpRequest();
    xmlHttp.onreadystatechange=function()
    {
		if( xmlHttp.readyState==4 )
        {
            document.getElementById("mainBody").innerHTML = xmlHttp.responseText;
        }
     }

    xmlHttp.open( "GET", "page_loader.php?page=" + url + "&req=" + Math.random(), true );
    xmlHttp.send(null);
}

InitXMLHttpRequest();